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Temporal range: Late Cretaceous (Coniacian-Campanian) 89.3–70.6Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Subclass: Theria
(unranked): Metatheria
Order: Asiadelphia
Trofimov and Szalay, 1994
Family: Asiatheriidae
Trofimov and Szalay, 1994

Asiadelphia ("Asian opossum") is an order of Cretaceous Metatherians. Different from the Ameridelphia, they lacked a prominent distolateral process on the scaphoid, and possessed a more slender fibula. The masseteric fossa is deeper in this group than the true Marsupials.

Further reading[edit]

Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure (New York: Columbia University Press, 2004), 15, 451-452.